I want to see this movie: Iron Sky

Towards the end of World War II the Nazi scientists made a significant breakthrough in anti-gravity. From a secret base built in the Antarctic, the first Nazi spaceships were launched in late ‘45 to found the military base Schwarze Sonne (Black Sun) on the dark side of the Moon. This base was to build a powerful invasion fleet and return to take over the Earth once the time was right.

Now it’s 2018, and it’s the time for the first American Moon landing since the 70’s. Meanwhile the Nazi invasion, that has been over 70 years in the making, is on its way, and the world is goose-stepping towards its doom. (Iron Sky)

With a premise/description as ridiculous as that, I half expected the title to be more like "Nazi Aliens for Hell" or something similar, but "Iron Sky" is good too...